/*
Blink
Turns on an LED on for one second, then off for one second, repeatedly.
This example code is in the public domain.
*/
// Pin 13 has an LED connected on most Arduino boards.
// give it a name:
char serialIn[20];
char holder = -1;
// the setup routine runs once when you press reset:
void setup() {
// initialize the digital pin as an output.
pinMode(8, OUTPUT);
digitalWrite(8, LOW);
pinMode(9, OUTPUT);
Serial.begin(9600);
}
// the loop routine runs over and over again forever:
void loop() {
int index = 0;
while (Serial.available() > 0)
{
if (index < 19)
{
holder = Serial.read();
serialIn[index] = holder;
index++;
serialIn[index] = '\0';
}
}
Serial.println(serialIn);
if (strcmp(serialIn, "on") == 0)
{
digitalWrite(9, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
}
else
{
digitalWrite(9, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second
}
}